:root {
  --bg: #0b0d14;
  --bg-soft: #12151f;
  --card: #161a26;
  --card-border: #232838;
  --text: #eef1f8;
  --text-dim: #9aa3b8;
  --accent: #4f8cff;
  --accent-2: #7c5cff;
  --accent-3: #ff5c8a;
  --ok: #2fd48a;
  --danger: #ff6b6b;
  --radius: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(79, 140, 255, 0.18), transparent 60%),
    radial-gradient(800px 500px at 95% 10%, rgba(124, 92, 255, 0.16), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  flex: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  color: var(--accent);
  font-size: 14px;
  transform: rotate(0deg);
}

.brand-accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-pills {
  display: flex;
  gap: 8px;
}

.pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  padding: 7px 14px;
  border-radius: 999px;
}

.hero {
  text-align: center;
  padding: 48px 0 8px;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--text-dim);
  font-size: 17px;
  margin: 0 auto 30px;
  max-width: 560px;
  line-height: 1.6;
}

.url-bar {
  display: flex;
  gap: 10px;
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px;
  box-shadow: var(--shadow);
}

.url-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
  padding: 12px 18px;
}

.url-input::placeholder {
  color: #6b748c;
}

.analyze-btn {
  border: 0;
  border-radius: 999px;
  padding: 13px 30px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.15s ease, filter 0.15s ease;
  white-space: nowrap;
}

.analyze-btn:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

.analyze-btn:disabled {
  cursor: wait;
  transform: none;
  filter: saturate(0.6);
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hints {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

.hint-chip {
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.hint-chip:hover {
  color: var(--text);
  border-color: var(--accent);
}

.error-box {
  margin-top: 26px;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.35);
  color: #ffb3b3;
  border-radius: var(--radius);
  padding: 15px 20px;
  font-size: 15px;
  text-align: center;
}

.result-card {
  margin-top: 30px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 280px 1fr;
  animation: rise 0.25s ease;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.result-media {
  position: relative;
  background: #000;
  min-height: 180px;
}

.result-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

.duration-badge {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  z-index: 1;
}

.platform-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1;
}

.result-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-meta h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.uploader {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}

.sources {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 16px;
  transition: border-color 0.15s ease;
}

.source-row:hover {
  border-color: var(--accent);
}

.source-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.source-icon {
  width: 36px;
  height: 36px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(79, 140, 255, 0.14);
  color: var(--accent);
  font-size: 15px;
  font-weight: 800;
}

.source-icon.audio {
  background: rgba(124, 92, 255, 0.16);
  color: var(--accent-2);
}

.source-label {
  font-weight: 600;
  font-size: 15px;
}

.source-size {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 2px;
}

.dl-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.dl-btn:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 46px 0;
}

.feature {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.site-footer {
  text-align: center;
  color: #6b748c;
  font-size: 13px;
  padding: 24px 16px 30px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: #1d2233;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 13px 22px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow);
  z-index: 50;
  animation: rise 0.2s ease;
}

.toast.ok {
  border-color: rgba(47, 212, 138, 0.5);
}

@media (max-width: 760px) {
  .result-card {
    grid-template-columns: 1fr;
  }

  .result-media {
    min-height: 200px;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .url-bar {
    flex-direction: column;
    border-radius: 20px;
  }

  .analyze-btn {
    width: 100%;
  }
}


/* Shared SEO article page styles */

.seo-page{width:min(900px,calc(100% - 32px));margin:0 auto 64px;color:var(--text)}
.seo-page .breadcrumbs{font-size:13px;color:var(--text-dim);margin:14px 0 28px}
.seo-page .breadcrumbs a,.seo-page a{color:#78aaff}
.seo-page .article-hero{padding:28px 0 18px}
.seo-page h1{font-size:clamp(30px,5vw,42px);line-height:1.15;margin:0 0 16px;letter-spacing:-.03em}
.seo-page h2{font-size:25px;margin:34px 0 12px}
.seo-page h3{font-size:18px;margin:22px 0 8px}
.seo-page p,.seo-page li{color:#c3cad8;line-height:1.8;font-size:16px}
.seo-page .lead{font-size:18px;color:#dce3f1;line-height:1.7}
.seo-page .article-card{background:var(--bg-soft);border:1px solid var(--card-border);border-radius:16px;padding:22px;margin:22px 0}
.seo-page .cta{display:inline-flex;padding:13px 20px;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:10px;color:#fff;text-decoration:none;font-weight:700;margin:12px 0}
.seo-page .note{border-left:3px solid var(--accent);padding:12px 16px;background:rgba(79,140,255,.08);border-radius:8px}
.seo-page .faq details{border:1px solid var(--card-border);border-radius:10px;padding:14px 16px;margin:10px 0;background:var(--bg-soft)}
.seo-page .faq summary{cursor:pointer;font-weight:700}
.seo-page .related{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.seo-page .related a{display:block;padding:14px;border:1px solid var(--card-border);border-radius:10px;text-decoration:none;background:var(--bg-soft)}
.seo-page .article-footer{border-top:1px solid var(--card-border);margin-top:40px;padding-top:20px;color:var(--text-dim);font-size:13px}
@media(max-width:650px){.seo-page h2{font-size:22px}.seo-page p,.seo-page li{font-size:15px}.seo-page .article-card{padding:17px}}